County ins & outs - signings, departures and rumours

Stay up-to-date with the latest player releases, signings and speculation from all the counties.

Counties are allowed to field two overseas players in Twenty20 games, with up to four registered for that competition - although only two can be registered at any one time, and registrations must be for a minimum of 10 days.

Only one overseas player is permitted in the County Championship and One-Day Cup competitions.

Guide to abbreviations

Also shows, where relevant, players' previous counties

KPK: Kolpak contract

REL: released

RET: retired

YTH: from youth teams

EUP: European Union passport

UKP: Recently-obtained UK passport

Kolpak contracts are signed by foreign players, using a loophole in European Union law to avoid counting against the quota of one overseas player per club.

DERBYSHIRE

Overseas player: Shivnarine Chanderpaul (West Indies, until late July); Marcus North (Australia, primarily for Twenty20 and for other competitions when Chanderpaul is away), Cheteshwar Pujara (India, for final three County Championship games)

Other news: Head coach Karl Krikken and batting coach David Houghton (who has joined Somerset) have left the club. Warwickshire bowling coach Graeme Welch replaces Krikken, taking the title of elite cricket performance director, with John Sadler, Simon Guy, Cookie Patel, Nick Kesingland and Ant Botha all joining the coaching staff, while AJ Harris and Stephen Stubbings will head up the academy.

DURHAM

Overseas player: Kumar Sangakkara (Sri Lanka, for two County Championship games in May); John Hastings (Australia, after Indian Premier League finishes until early September); Varun Aaron (India, for final two Championship games)

Other news: Jon Lewis has become first-team coach, with director of cricket Geoff Cook taking on a youth remit, while Mark Stoneman has become limited-overs captain. The club have dropped their "Dynamos" limited-overs nickname and will be known simply as Durham in 50-over cricket, while they will assume the name of "Durham Jets" in the Twenty20 competition.

Other news: Hugh Morris has become chief executive and managing director, with Toby Radford replacing Matthew Mott as head coach. Mark Wallace will captain the Championship and 50-over sides, while Allenby will lead the Twenty20 team.

Other news: Mark Thorburn has been appointed bowling coach and will combine the role with his existing position as high performance analyst. Coach Richard Dawson has left to take charge of Yorkshire's second team.

Other news: James Tredwell has resigned as captain, with Rob Key returning for a second spell as skipper, and Sam Northeast becoming vice-captain. Former batsman Matt Walker has rejoined as assistant coach.

LANCASHIRE

Overseas player: Junaid Khan (Pakistan, for one-day matches and final County Championship game); Usman Khawaja (Australia, mid-June until end of season)

Other news: Captain Glenn Chapple will take over as head coach for the remainder of the season, after Peter Moores left to lead England, and he has added retired ex-skipper Mark Chilton to the coaching staff.

Other news: Chris Read has relinquished the limited-overs captaincy to James Taylor (who will be Championship vice-captain). Coach Paul Johnson has left the club, while former seamer Andy Pick has rejoined Notts as bowling coach, all-rounder Paul Franks has been named second XI captain, and Chris Adams has joined as a consultant batting coach.

Other news: Graham Ford has become head coach, with Alec Stewart taking on the new title of director of cricket. Gary Wilson will captain the side in the absence of Smith, who was ruled out for the rest of the season with a knee injury and will now not be returning in 2015.

Other news: Bowling coach Graeme Welch has left to become elite cricket performance director at Derbyshire, with Worcestershire bowler Alan Richardson joining as his replacement. The county will be known as "Birmingham Bears" in Twenty20 cricket from 2014. Varun Chopra has replaced the retired Troughton as captain.

Other news: Kevin Sharp has been confirmed as batting and second XI coach following the death of Damien D'Oliveira, while bowling coach Matt Mason will also serve as Rhodes' assistant. The county have dropped their "Royals" limited-overs nickname, but will be known as the "Rapids" only in Twenty20 cricket.

YORKSHIRE

Overseas player: Kane Williamson (New Zealand); Aaron Finch (Australia, after Indian Premier League finishes, primarily for Twenty20 - though may play other games if Williamson is unavailable)

Other news: Joe Root is now centrally contracted by England but he has also extended his Yorkshire contract. Second XI coach Paul Farbrace has left to take charge of Sri Lanka, he is replaced by Richard Dawson, who joins from Gloucestershire, while former fellow former player Ian Fisher has returned to Headingley as strength and conditioning coach, a role he held at Essex.